Pronóstico: Highest temperature in Milan on August 20?

Platform comparison

Market context

On 20 August 2026, Milan's highest temperature will be measured at Malpensa International Airport and assigned to one of several temperature bands. The market currently prices all YES outcomes at 0%, meaning traders collectively assign negligible probability to any specific range materialising—a pricing that reflects either extreme uncertainty about summer conditions two years forward or the market's treatment of temperature forecasting as essentially random at this horizon. Settlement hinges on Weather Underground's Daily Observations table rather than summary figures, a distinction that matters when intraday peaks diverge from reported highs.

Milan's August temperatures exhibit consistent patterns across decades. Historical data shows the city regularly experiences highs between 28–32°C during mid-August, with extremes occasionally pushing toward 35°C during heat waves. The 2003 European heat wave saw Milan reach 36.6°C in August; more recently, August 2022 brought sustained temperatures above 30°C across northern Italy. These precedents suggest the crowd's 0% pricing undervalues the probability of moderate-to-warm outcomes, though forecasting specific ranges two years ahead remains inherently difficult.

Traders monitoring this contract should track European summer weather patterns as 2026 approaches, particularly Atlantic oscillation indices and Mediterranean sea-surface temperatures that influence northern Italian conditions. The Copernicus Climate Change Service publishes seasonal outlooks each month; these will become increasingly granular as August 2026 nears. Any significant climate anomalies—persistent drought or unusual circulation patterns—announced in summer 2026 would shift probabilities materially. Until then, the market's current pricing reflects the irreducible uncertainty of long-range temperature forecasting rather than any consensus view on Milan's likely conditions.

Methodology

This page reviews Pronóstico: Highest temperature in Milan on August 20? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Qué Es, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.